Facebook's tech systems stopped talking to the internet

Facebook apologized after it stopped working for users around the world for several hours on Monday. WhatsApp and Instagram - which are owned by the company - were also down.

CBS News @CBSNews

Facebook apologized after it stopped working for users around the world for several hours on Monday. WhatsApp and Instagram - which are owned by the company - were also down. In a nutshell, Facebook's systems stopped talking to the wider internet, @DanPatterson explains.